EP2435195B1 - Procédé et dispositif de profilage en continu - Google Patents

Procédé et dispositif de profilage en continu Download PDF

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Publication number
EP2435195B1
EP2435195B1 EP10726926.8A EP10726926A EP2435195B1 EP 2435195 B1 EP2435195 B1 EP 2435195B1 EP 10726926 A EP10726926 A EP 10726926A EP 2435195 B1 EP2435195 B1 EP 2435195B1
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EP
European Patent Office
Prior art keywords
roll
sheet
clamping elements
profiling device
profiling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP10726926.8A
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German (de)
English (en)
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EP2435195A2 (fr
Inventor
Albert Sedlmaier
Stefan Freitag
Bernard Poks
André ABEE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Data M Sheet Metal Solutions GmbH
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Data M Sheet Metal Solutions GmbH
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Publication of EP2435195A2 publication Critical patent/EP2435195A2/fr
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Publication of EP2435195B1 publication Critical patent/EP2435195B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers

Definitions

  • the invention relates to a roll forming and a method for cold or hot rolling of profiles made of sheet metal, which passes a number of Umformgerüsten the roll forming, as shown in DE 10 2007 034 708 B3 known and according to the preambles of the independent claims.
  • sheet metal strip material is gradually formed to the desired final cross section by means of a number of sets of rolls of cooperating rolls.
  • the rolls of a set of rolls are each mounted on a Umformgerüst.
  • Such a roll profiling is z. B. in the DE 10 2007 059 439 B3 described.
  • the movable hold-down is arranged in front of or behind a forming stand of a roll forming machine and includes two clamping shoes which alternately clamp and release a portion of the sheet to be profiled while moving back and forth in the direction of sheet feeding (the profiling direction), so that movements of the clamped sheet metal section in any other degrees of freedom than the Profilierraum be prevented.
  • the clamping shoes can clamp the sheet at most over a distance between them, which starts a little way behind a Umformgerüst and ends slightly in front of the next Umformgerüst.
  • the shape of the rolls of a roll forming device results from the so-called profile flower, which defines the cross-sectional shape of the rolls for each forming frame.
  • profile flower defines the cross-sectional shape of the rolls for each forming frame.
  • a separate set of rollers is required for each profile cross-section.
  • the production and storage of many sets of rollers is very expensive.
  • the invention is based on the object to provide an apparatus and a method for a more continuous guide of a sheet by a roll forming, whereby the cost for the production and storage of sets of rollers reduces and the number of controlled axes when forming profiles with variable cross-section can be reduced can.
  • clamping elements also attack there on the sheet where the forming takes place, and thereby take up a part of the forces occurring during the forming, which are normally absorbed only by rollers.
  • each Umformgerüst where the clamping elements are effective, comes with one or more rollers less than previously necessary, and the structure and the number of drives for simplify or reduce accordingly.
  • the clamping elements can have simple geometric basic shapes and are therefore more versatile than rollers.
  • the clamping elements can be combined with each other, for example by clamping elements or rows of clamping elements are arranged side by side, and they can be made adjustable in width, so that they can be used even more versatile.
  • the clamping elements can guide the sheet over a certain length or even the full length of a roll forming including the forming planes of the rollers and support and contribute to the support and / or forming at one, at several or at all Umformgerüsten the plant. With permanent clamping of the sheet over the entire length of the machine, the previously required drive for the sheet feed can be completely eliminated. In addition, unwanted transformations are largely prevented.
  • the clamping elements can be designed in three different ways:
  • many clamping elements are connected together in a self-contained row, for example by being formed by or supported by a roller chain, track, flexible belt or toothed belt.
  • a roller chain, track, flexible belt or toothed belt may form an upper and a lower clamping arrangement, which clamp the sheet between them.
  • a carrier for the clamping elements particularly suitable is a track, a self-contained chain of the kind as z. B. encloses the drive of a tracked vehicle, where it serves to get around.
  • a track allows a very uniform force distribution on the bearing surfaces, which are the clamping surfaces of the clamping elements in the invention.
  • the at least one clamping element is a rod, especially a rod with a constant cross section over its length, which allows the at least one forming frame to pass together with the sheet.
  • a multiplicity of clamping elements in the form of unconnected, substantially rectangular plates allow the at least one forming frame to pass together with the metal sheet by feeding the clamping elements from a magazine or the like.
  • the clamping elements or the chains, belts or the like formed thereby can passively be pulled along with the sheet feed.
  • one of two chains or the like is actively driven and the other passively entrained with the sheet feed, or both an upper and a lower chain or the like are actively driven, so that the sheet is conveyed by the Umformgerüste using the clamping elements.
  • Fig. 1 shows a two forming frames 1, 2 comprehensive section of a roll forming for cold or hot rolling of sheet metal profiles.
  • Each Umformgerüst 1, 2 contains two bi-pode of the kind as z. B. in the DE 10 2007 011 849 B4 is described.
  • the bi-pode of two forming frames 1, 2 frontally opposite Umformgerüste not shown.
  • mono pods In some of the embodiments described below, one also comes with mono pods.
  • bi-pode and mono-pode can be combined.
  • a strip to profilierendes sheet 3 moves from the bottom left to the top right in the figure, which direction is here the profiling. Thus, the sheet 3 passes first the forming frame 1 and then the forming frame. 2
  • the sheet 3 runs first between two rolls of the Umformgerüstes 1, of which in Fig. 1 only an upper roller 4 is visible, and two oppositely arranged rollers 5, 5 'of a not shown, the forming frame 1 frontally opposite Umformgerüstes the same forming plane therethrough.
  • the four rollers 4, 5, 5 ' form a set of rollers for a first forming plane. If the concept described here is used in classic profiling, a single continuous axis is also conceivable.
  • the sheet 3 passes between two rollers 6 and 6 '( Fig. 2 and 3a ) of the Umformgerüstes 2 and two equally shaped, but oppositely arranged rollers 7, 7 'of a not shown, the Umformgerüst 2 frontally opposite Umformgerüstes through.
  • the four rollers 6, 6 ', 7, 7' form a set of rollers for the second forming plane.
  • the rollers 4, 6, 6 'on the Umformgerüsten 1 and 2 are arranged at a distance from the respective axially parallel rollers 5, 5', 7 and 7 at the opposite Umformgerüsten.
  • the rollers 4, 6, 6 'on the Umformgerüsten 1 and 2 are arranged at a distance from the respective axially parallel rollers 5, 5', 7 and 7 at the opposite Umformgerüsten.
  • the rails 8, 8 ', 9 and 9' are formed identically in the embodiment, but can also be constructed differently. In the exemplary embodiment, the rails extend over two Umformgerüste. But you can also run only on a Umformgerüst over more than two Umformgerüste or over the entire roll forming.
  • the rails 8, 8 ', 9 and 9' are similar to the elongated metal blades or swords of chainsaws, each with a peripheral groove 10 incorporated in the edge for guiding a roller chain circulating around the respective rail.
  • the rails 8, 8 ', 9 and 9' are made of metal, plastic or plastic-coated metal to reduce the friction of the circulating roller chain, which will be described below.
  • the rails 8, 8 ', 9 and 9' each have a substantially constant over their length rectangular cross-section and are at their in Fig. 1 lying down at the bottom right semicircular convex and recessed semicircular concave at the 1 left overhead ends, wherein in the recess in each case a sprocket 11 for guiding and possibly for driving the roller chain is arranged.
  • the two upper rails 8, 8 'and the two lower rails 9, 9' are each arranged in parallel, so that in each case two straight edges of two parallel rails 8, 8 'and 9, 9' at a constant distance from the sheet 3 in profiling direction run.
  • each rail 8, 8 ', 9 and 9' runs with little clearance each roller chain 12, from the in Fig. 1 only a few links are drawn.
  • the rails 8, 8 ', 9 and 9' can each be divided over their length in order to adjust the contact pressure can.
  • Each roller chain 12 is guided by its rail 8, 8 ', 9 and 9' and driven by the sprockets 11, wherein the sprockets 11 z. B. of a not shown further, possibly identical Umformgerüst, but without rollers and other unnecessary components for this purpose, can be driven.
  • the roller chains 12 are not actively driven, but are passively pulled along by the sheet 3 clamped therebetween, the sheet 3 being advanced, for example, by some or all of the rolls of the forming stands in the profiling direction.
  • the sprockets 11 may be omitted and both ends of the rails 8, 8 ', 9 and 9' may be rounded.
  • either only the roller chains 12 of the upper rails 8, 8 'or only the roller chains 12 of the lower rails 9, 9' are actively driven, and the respective other roller chains are passively pulled along with the sheet feed.
  • the members of the roller chains 12 guided and supported by the rails 8, 8 ', 9 and 9' are formed on their outer side as plates, which are substantially planar in the embodiment in order to clamp a flat bottom of the sheet 3 between them, but also adapted to other profile shapes.
  • the members of the roller chains 12 and the plates carried therefrom form a plurality of clamping elements acting on the sheet metal 3, which are connected together in a self-contained row.
  • the clamping elements may, but need not, follow each other directly. For example, in the manufacture of variable cross section profiles in areas where the cross section is constant over a greater length, one can dispense with clamping by omitting the corresponding clamping elements.
  • Each rail 8, 8 'and 9, 9' with its roller chain 12 represents an upper and a lower clamping arrangement, wherein each upper and a lower clamping arrangement the sheet 3 perpendicular to the profiling, ie in the vertical direction of Fig. 2 to pinch between them.
  • rails 8, 8 ', 9 or 9' or portions of the rails can be used alternatively rows of support rollers which support in particular the adjacent to the plate 3 strand of the roller chains 12, each of which a series of directly or at intervals form the following clamping elements, wherein the clamping elements or rows of contiguous clamping elements can also be placed from a magazine.
  • Using contiguous or other larger units of clamping elements has the advantage that they can pass through the rollers more evenly.
  • Such rows of support rollers can provide the roller chains 12 also sufficient support and support them relatively evenly, as z. B. is the case with tracked vehicles. In this case, a certain rotatability of the roller chains 12 along its longitudinal axis may even be desirable under certain circumstances, namely in the production of profiles with a variable cross-section.
  • the support rollers of the roller chains 12 are also to pivot in such a case.
  • Such rows of support rollers also allow for the production of variable height profiles by altering and restoring their vertical position during roll forming.
  • clamping elements which are formed by the members of the roller chains 12, the roller chains 12 themselves or the clamping arrangements formed thereby can also be adapted for adaptation in width, height or position to the profile of the sheet 3.
  • any locking mechanism such.
  • the upper rollers 6 and 7 can in principle be omitted, as in Fig. 3b which otherwise the Fig. 3a corresponds to, or in FIGS. 4a to 4c is shown below or in the middle. This is made possible by the presence of the roller chains 12. By their members or the attached clamping shoes pinch the sheet 3 between them and are well supported themselves, they can absorb the forces occurring during the forming well or apply, at least for not too stiff sheets.
  • roller chains 12 not only support the dimensionally accurate deformation in the individual forming planes, but they also act between the forming planes, as in Fig. 1 between the Umformgerüsten 1 and 2, where they hold the bottom of the sheet 3 in position and in shape. This is particularly advantageous in the so-called flexible profiling of profiles with variable cross-section.
  • Fig. 4 shows sectional views of some variants in the form and arrangement of the rollers and roller chains on a Umformgerüst to each form a similar profile cross section as in FIGS. 1 to 3 ,
  • the lower sketch in Fig. 4a shows the same arrangement as above, but without the two rollers with horizontal axes.
  • the upper clamping shoes 13 ' are where the sheet bends upwards, adapted to the desired bending radius of the sheet. That is, the clamping shoes 13 'not only take the lead, but also participate in the actual forming of the sheet.
  • the lower sketches in Fig. 4b and 4c show the same arrangement as above, but without the two rollers with horizontal axes.
  • the upper clamping shoes 13 ' are where the sheet bends upwards, adapted to the desired bending radius of the sheet. That is, the clamping shoes 13 'not only take the lead, but also participate in the actual forming of the sheet.
  • Fig. 4b is different from the ones in Fig. 4a shown arrangements only in that above the sheet two parallel roller chains as in FIGS. 1 to 3 can be used while below the plate only one roller chain runs.
  • Fig. 4c shows above a similar arrangement as in Fig. 4b above, but with two parallel roller chains above and below the sheet.
  • Fig. 4c shows a similar arrangement as above, but with only two rollers.
  • Fig. 4c a variant of the arrangement shown above, which is suitable for forming a hat profile with "brim" on one side.
  • the geometries and arrangements of the rollers and clamping elements are to be selected so that no collision occurs during the rotation of the rollers and translation of the clamping elements.
  • clamping elements are connected together in a self-contained row, such that they are movable relative to one another in one degree of freedom.
  • the invention can also be implemented in other ways, for which purpose two examples are given below.
  • FIG. 5 shows a section through the rollers 15, 15 ', 16, 16' of a forming plane of a suitably equipped Walzprofilierstrom. Between the upper rollers 15, 16 in the figure and the lower rollers 15 ', 16' are each a support roller 17, 17 'mounted axially parallel thereto. The support rollers 17, 17 'extend in the same plane and can be mounted on the same Umformgerüst as the rollers 15, 15', 16, 16 '.
  • the clamping elements 18, 18 ' have a width which corresponds to the width of the bottom of the sheet 3 and the distance between the left rollers 15, 15' and the right rollers 16, 16 '.
  • the clamping elements 18, 18 ' are passed together with the plate 3 between the support rollers 17, 17', wherein the clamping elements 18, 18 'clamp the plate 3 between them by being supported by the support rollers 17, 17', and the sheet in cooperation with the rollers 15, 15 ', 16, 16' form.
  • the rod-shaped clamping elements 18, 18 ' are substantially wider than the support rollers 17, 17', it may be expedient to additionally support them at their edges. This can be advantageously carried out with a respective collar 20 on the rollers 15, 15 ', 16, 16'.
  • the collar 20 is expediently screwed to the rollers solid part or ball bearings. In the case of a solid part is to pay attention to friction and low-wear material pairings, since the clamping elements 18, 18 'and the collars 20 move a little relative to each other.
  • the collars 20 may be made of brass when the clamping members 18, 18 'are made of steel.
  • Rod-shaped clamping elements are easier to produce than rollers, and also can be created by combining a plurality of rod-shaped clamping elements new clamping cross sections by collapsing the clamping elements parallel and / or screwed and then passes together with the plate 3 through the roll forming.
  • the rod-shaped clamping elements can be arbitrarily long in itself. Shorter bar-shaped clamping elements leads you to the roll forming simply following each other closely, or you make the clamping elements as long as the whole roll forming is. In the case of variable cross-section profiles, the rod-shaped clamping elements may be adapted to particular profile sections, and in that case it may also be convenient or necessary to make the cross-section of the rod-shaped clamping elements variable over their length.
  • rod-shaped clamping elements very short, so “short” that when they are substantially rectangular plates, such plates can be fed in close succession from a magazine or from a circulating conveyor.
  • plates have to be guided in some other way if they are to move from one forming plane to the next, which is eg. B. can be done by a chain or by an endless flexible metal strip on which the plates z. B. adhere magnetically and which is passed together with the sheet through the roll forming.
  • a magnetic or other adhesion of the plates could also be combined with a micro-toothing as described above, so that the plates can not slip or to position the plates at variable locations on the belt or the like can.
  • roller chain 12 then takes the cross section of the clamping elements 18, 18 'in Fig. 5 a, but is not or not guided and supported on its entire length by rails, but in any case in the forming plane by the support rollers 17, 17 'and possibly the collars 20th

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Metal Rolling (AREA)

Claims (15)

  1. Dispositif de profilage de rouleaux pour le laminage à chaud ou à froid d'un profilé en tôle qui passe dans une série de cages de modelage du dispositif de profilage de rouleaux, comportant au moins un élément de serrage (12) qui s'engrène sensiblement en surface sur la tôle (3) et est mobile dans le sens de profilage, caractérisé en ce que
    la distance sur laquelle l'au moins un élément de serrage s'engrène sur la tôle va d'au moins un point dans le sens de profilage en amont d'une cage de modelage (1, 2) à un point en aval de la même cage de modelage.
  2. Dispositif de profilage de rouleaux selon la revendication 1, caractérisé en ce qu'il est prévu une multitude d'éléments de serrage qui sont reliés ensemble en une rangée (12) refermée sur elle-même.
  3. Dispositif de profilage de rouleaux selon la revendication 2, caractérisé en ce que les éléments de serrage reliés ensemble sont constitués par une chaîne à rouleaux (12), une chenille, une bande souple, une courroie ou une courroie crantée ou supportés par celles-ci.
  4. Dispositif de profilage de rouleaux selon la revendication 2 ou 3, caractérisé en ce qu'un dispositif de serrage supérieur et un dispositif de serrage inférieur, qui sont constitués par une série refermée sur elle-même d'éléments de serrage (12) reliés entre eux, serrent la tôle (3) entre eux.
  5. Dispositif de profilage de rouleaux selon une des revendications précédentes, caractérisé en ce que, sur la distance sur laquelle l'au moins un élément de serrage s'engrène sur la tôle (3), s'étendent des rails de guidage (8, 8', 9, 9') pour les éléments de serrage.
  6. Dispositif de profilage de rouleaux selon une des revendications 2 à 5, caractérisé en ce que, à au moins une extrémité de la distance sur laquelle l'au moins un élément de serrage s'engrène sur la tôle (3), se trouve une roue de guidage et d'inversion (11) pour une rangée refermée sur elle-même d'éléments de serrage (12) reliés entre eux.
  7. Dispositif de profilage de rouleaux selon la revendication 6, caractérisé en ce qu'au moins une roue de guidage et d'inversion (11) fait en outre office de roue motrice pour une rangée refermée sur elle-même d'éléments de serrage (12) reliés entre eux, préférablement au moins une roue de guidage et d'inversion et motrice (11) étant reliée au niveau moteur à une cage de modelage ou une cage sensiblement de même structure mais sans rouleaux du dispositif de profilage de rouleaux.
  8. Dispositif de profilage de rouleaux selon une des revendications précédentes, caractérisé en ce que les éléments de serrage ont une forme adaptée au profilé à fabriquer et/ou
    caractérisé en ce que les éléments de serrage sont conçus pour s'adapter en largeur, hauteur ou position au profil de la tôle (3).
  9. Dispositif de profilage de rouleaux selon la revendication 8, seconde alternative, caractérisé en ce qu'au-dessus et/ou en-dessous de la tôle (3), respectivement deux éléments de serrage sont juxtaposés transversalement au sens de profilage, des moyens de réglage de l'écart entre les éléments de serrage juxtaposés étant prévus.
  10. Dispositif de profilage de rouleaux selon la revendication 1, caractérisé en ce qu'au moins un élément de serrage est une longue barre (18).
  11. Dispositif de profilage de rouleaux selon la revendication 10, caractérisé en ce que la section transversale de la barre (18) est constante sur sa longueur ou que la section transversale de la barre (18) varie sur sa longueur.
  12. Dispositif de profilage de rouleaux selon la revendication 1, caractérisé en ce qu'une multitude d'éléments de serrage se présentant sous forme de plaques sensiblement rectangulaires non reliées entre elles (18) sont prévus.
  13. Dispositif de profilage de rouleaux selon une des revendications 10 à 12, caractérisé en ce que, le long de la distance sur laquelle l'au moins un élément de serrage s'engrène sur la tôle, s'étendent des éléments de guidage et d'appui pour les éléments de serrage.
  14. Dispositif de profilage de rouleaux selon une des revendications 1 à 13, caractérisé en ce qu'au moins un élément de serrage a une fonction de modelage.
  15. Procédé de de profilage de rouleaux pour le laminage à chaud ou à froid d'un profilé en tôle qui passe dans un dispositif de profilage de rouleaux selon une ou plusieurs des revendications 1 à 14.
EP10726926.8A 2009-05-27 2010-05-26 Procédé et dispositif de profilage en continu Active EP2435195B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910022829 DE102009022829B3 (de) 2009-05-27 2009-05-27 Walzprofiliervorrichtung und -verfahren
PCT/EP2010/057284 WO2010136509A2 (fr) 2009-05-27 2010-05-26 Procédé et dispositif de profilage continu

Publications (2)

Publication Number Publication Date
EP2435195A2 EP2435195A2 (fr) 2012-04-04
EP2435195B1 true EP2435195B1 (fr) 2014-08-13

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Application Number Title Priority Date Filing Date
EP10726926.8A Active EP2435195B1 (fr) 2009-05-27 2010-05-26 Procédé et dispositif de profilage en continu

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EP (1) EP2435195B1 (fr)
DE (1) DE102009022829B3 (fr)
WO (1) WO2010136509A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011052539A1 (de) 2011-08-09 2013-02-14 Data M Sheet Metal Solutions Gmbh Walzprofiliervorrichtung mit Führungsschiene und Klemmschlitten für die definierte Führung eines Werkstücks und dazugehöriges Verfahren
DE102014116889B4 (de) 2014-11-18 2016-08-04 Data M Sheet Metal Solutions Gmbh Vorrichtung und Verfahren zur Herstellung von Profilen mit veränderlicher Höhe und/oder Breite
DE102014116890A1 (de) 2014-11-18 2016-05-19 Data M Sheet Metal Solutions Gmbh Vorrichtung und Verfahren zur Herstellung von Profilen
DE102017101235B4 (de) 2017-01-23 2021-07-29 Data M Sheet Metal Solutions Gmbh Vorrichtung zum Kaltwalzprofilieren von Blech zu einem Profilblech
PL441858A1 (pl) * 2022-07-28 2023-09-11 Metalkas Spółka Akcyjna Kształtownik metalowy i sposób wytwarzania kształtownika metalowego

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051214A (en) * 1958-10-15 1962-08-28 Rutten Marion Machine for edging and forming
DE10011755B4 (de) * 2000-03-13 2005-05-25 Peter Prof. Dr.-Ing. Dipl.-Wirtsch.-Ing. Groche Verfahren und Vorrichtung zur Herstellung eines Profils mit über der Längsachse veränderlichem Querschnitt mittels Walzprofilieren
DE102004040257A1 (de) * 2004-08-18 2005-12-15 Daimlerchrysler Ag Vorrichtung zum Walzprofilieren von Kaltprofilen
DE102004047048A1 (de) * 2004-09-28 2006-04-06 Otto Bihler Handels-Beteiligungs-Gmbh Vorschubvorrichtung
DE102007011849B4 (de) * 2007-03-12 2009-02-26 Data M Software Gmbh Vorrichtung und Verfahren zum Biegen von flachem Halbzeug zu Profil mit über seine Länge veränderlichem Querschnitt
DE102007034708B3 (de) * 2007-07-25 2009-04-09 Data M Software Gmbh Flexibler Niederhalter für eine Profilieranlage zum flexiblen Walzprofilieren von Kalt- oder Warmprofilen mit veränderlichem Querschnitt
DE102007059439B3 (de) * 2007-12-10 2009-04-02 Data M Software Gmbh Vorrichtung und Verfahren zum Kaltwalzprofilieren von Profilen mit veränderlicher Höhe

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Publication number Publication date
WO2010136509A2 (fr) 2010-12-02
WO2010136509A3 (fr) 2011-01-20
EP2435195A2 (fr) 2012-04-04
DE102009022829B3 (de) 2011-02-24

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